📄Description

The Schneider Electric 140XBP01600 is a 16-slot local backplane designed for the Modicon Quantum programmable logic controller(PLC)platform—a high-performance automation system widely deployed in water/wastewater treatment,oil&gas,power generation,mining,and industrial process control since the 1990s.

This backplane serves as the mechanical and electrical backbone of a Quantum I/O rack,providing:

Power distribution(5 VDC logic,±12 VDC analog,24 VDC user power)

High-speed ModuleBus communication between CPU,I/O,and specialty modules

Mechanical support for up to 16 plug-in modules(CPU,power supply,I/O,comms)

Support for redundant power supplies(when used with compatible PSUs like 140CPS12400)

The 140XBP01600 is a local rack backplane,meaning it connects directly to the Quantum CPU via an internal bus(as opposed to remote I/O racks linked via RIO or Ethernet).It is typically mounted in a 19″industrial cabinet using optional mounting brackets or on DIN rail with adapters.

⚠️Note:The 140XBP01600 does not include a power supply—it must be paired with one or two Quantum power supply modules(e.g.,140CPS11420,140CPS12400)installed in designated slots(usually slot 1 or 1–2).

🏭Application Scenario

At a major metropolitan wastewater treatment plant in California,the central clarifier control system—running on a Modicon Quantum PLC—experienced intermittent I/O dropouts.Diagnostics pointed to a failing backplane due to corrosion from humid,chlorine-rich air.Engineers replaced the aging chassis with a new Schneider 140XBP01600,reseated all modules(including a 140CPU67160 and mixed I/O),and implemented conformal coating on field terminals.The new backplane’s gold-plated connectors and robust ModuleBus architecture restored reliable communication across all 142 I/O points.During a subsequent pump station surge event,the system maintained uptime—avoiding a potential EPA violation.The plant now keeps a spare 140XBP01600 in inventory for rapid recovery,citing its role as the“central nervous system”of their legacy but mission-critical control infrastructure.

⚙️Technical Parameters

Parameter Value/Description

Model 140XBP01600

Manufacturer Schneider Electric(formerly Modicon)

Platform Modicon Quantum PLC

Number of Slots 16

Backplane Type Local rack(direct CPU connection)

Bus Type ModuleBus(proprietary high-speed parallel bus)

Power Input Via Quantum power supply modules(not built-in)

Supported Modules All standard Quantum modules:

CPUs(140CPU651xx,140CPU671xx)

Digital I/O(140DDI35300,140DDO35300)

Analog I/O(140ACI03000,140ACO13000)

Communication(140NOE77101,140CRP81100)

Specialty(HSC,motion,etc.)||Redundancy Support|Yes–supports dual redundant power supplies||Mounting|19″rack(with optional brackets)or DIN rail(with adapter)||Operating Temperature|0°C to+60°C||Dimensions|~482 mm W×266 mm H×235 mm D(standard 19″rack width)||Weight|~5.2 kg(11.5 lbs)||Certifications|CE,UL,cUL,CSA,RoHS||Key Feature|Hot-swap capable(with compatible firmware/modules)|

💡Key Advantages

Scalability:16 slots allow dense I/O integration without remote racks.

Legacy Continuity:Enables life extension of Quantum systems beyond 20+years.

Interoperability:Works with all generations of Quantum modules(backward compatible).

Reliability:Gold-plated edge connectors ensure stable signal integrity over time.

Serviceability:Modules can be replaced without full system shutdown in many configurations.

🔄Commonly Paired Components

CPU:140CPU67160(Unity Pro),140CPU53414A(Concept)

Power Supply:140CPS12400(redundant-capable,115/230 VAC)

Ethernet Module:140NOE77101(for Modbus TCP)

RIO Head:140CRP81100(for remote I/O networks)

Digital Input:140DDI35300(32-point 24 VDC)

Analog Output:140ACO13000(8-channel 4–20 mA)

🔧Installation Best Practices

Install power supply(s)in slot 1(or slots 1–2 for redundancy).

Place CPU in slot 2(standard for local racks).

Ensure adequate ventilation—do not block top/bottom airflow.

Use anti-static precautions when handling.

Torque mounting screws to 0.8 N·m to avoid chassis warping.

For hot environments,consider forced-air cooling in the cabinet.

✅Conclusion

The Schneider Electric 140XBP01600 is far more than a passive metal frame—it is the critical interconnect fabric that enables the Modicon Quantum platform’s legendary reliability in demanding industrial applications.Even as newer platforms like M580 and EcoStruxure™Automation Expert emerge,thousands of plants continue to depend on the 140XBP01600 to keep water flowing,turbines spinning,and processes running safely.

While Schneider has announced end-of-life(EOL)plans for Quantum,the 140XBP01600 remains available through authorized distributors and service partners for sustainment and spares.

🔎Migration Tip:Consider Quantum-to-M580 migration services for long-term support,cyber security,and IIoT readiness—while reusing existing I/O where possible.

📞Contact us for new surplus or refurbished 140XBP01600 units,compatibility verification,or assistance with Quantum system sustainment.All backplanes are visually inspected,continuity-tested,and backed by a 12-month warranty.

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